![]() ![]() ![]() ![]() To know why they conduct in only one direction we have to look at how they are constructed. This property of diode is what makes it useful in many applications. Another golden rule with diodes is that they allow current to pass through them in only one direction that is from Anode to Cathode. The two terminals are named as Anode and Cathode, we will get into the symbol and how to identify the terminals later, but for now just remember that any diode will have only two terminals (at least most of them) and they are Anode and Cathode. There are many types of diodes but the most commonly used one is shown below. What is a Diode?Ī Diode, as I told earlier is a semi-conductor cylindrical component with two terminals. Let’s start by answering the most basic question. Perhaps, you might have already heard the ramble that “Diodes are semi-conductor devices with two terminals that conduct only in one particular direction allowing current to pass through them…” but why is that? And what does it actually has to do with us while designing a circuit? What are the different types of diodes and in which application should we use them? Hold tight for you will be answered to all these questions as you read down this article. In this article let’s cover the most basic semi-conductor device, the diodes. Each of them has their own properties and application. Every electronic circuit has dozens of semi-conductor device like Diodes, Transistors, Regulators, Op-Amps, Power switches etc. While the Resistors, Capacitors and Inductors form the basic elements of a circuit, it is the semi-conductor device that actually holds the magic within. ![]()
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